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A 3.14 kg aluminum engine block heats up to 129.5 C. Engine coolant at 21.3 C is added to prevent the engine block from overheating.

A 3.14 kg aluminum engine block heats up to 129.5 C. Engine coolant at 21.3 C is added to prevent the engine block from overheating. If the desired final temperature for optimum performance should be 73.9 C, what is the required mass of coolant (in kg) that should be added?

Specific heat of aluminum (Al): 0.91

Specific heat of engine coolant: 2.42

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